Tex. Health & Safety Code § 361.273
The commission may cause a civil suit for injunctive relief to be brought in a district court in the county in which the actual release is occurring or threatened release may occur to:
Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.
Amended by Acts 1995, 74th Leg., ch. 76, Sec. 11.69, eff. Sept. 1, 1995.